发明名称 |
Multi-speed power tool transmission |
摘要 |
A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated in an active mode and an inactive mode. The movable reduction elements are coupled to a switching mechanism that switches the reduction elements in a predetermined manner to provide at least three-gear reduction or speed ratios.
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申请公布号 |
US6431289(B1) |
申请公布日期 |
2002.08.13 |
申请号 |
US20010964226 |
申请日期 |
2001.09.26 |
申请人 |
BLACK & DECKER INC. |
发明人 |
POTTER CHRISTINE;MILBOURNE RODNEY;HAGAN TODD A.;BOWERS MICHAEL C. |
分类号 |
F16H1/00;B23B47/14;B25B21/00;B25B23/14;B25F5/00;B25F5/02;F16H3/66;F16H35/10;F16H61/26;H02K7/116;(IPC1-7):F16H3/74 |
主分类号 |
F16H1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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